$YaHei:'Microsoft YaHei';
$bigFontSize:30px;
$middleFontSize:24px;
$smallFontSize:14px;
@media (max-width: 768px){
      .left{
         width: 100%;
         height: 40px;
      }
      .middle{
         width: 100%;
         height: 400px;
      }
      .right{
         width: 100%;
      }
      .right > div{
        width:100%;
        padding:10px;
      }
      .right-artical p{
       font-size: 15px;
       font-weight: 100;
       line-height: 30px;
       font-family:$YaHei;
}
}
@media(min-width: 768px){
      .left{
      background-color: #2f2f2f;
         width: 3%;
         position: fixed;
         height: 100%;
         float: left;
      }
      .middle{
         position: fixed;
         left: 3%;
         width: 23%;
         height: 100%;
         float: left;
      border-right: 1px solid #2f2f2f;
      }
      .right{
         position: absolute;
         width: 74%;
         left: 26%;
         height: 100%;
      }
      .right > div{
        width:100%;
        padding:40px;
      }
      .right-artical p{
  font-size: 18px;
font-weight: 100;
line-height: 30px;
font-family:$YaHei;
}
}


   .middle div{
      position: relative;
      text-align:center;
      top:60px;
   }

   #avatar{
      height: 100px;
      width: 100px;
      border-radius: 100px;
   }

   .username{
      margin-top: 10px;
      font-size: $middleFontSize;
      font-family: $YaHei;
   }
.intro{
    margin: 0 10px;
    font-size: $smallFontSize;
    font-family: $YaHei;
}

.statistics,ul{
  margin:0;
  padding:0;
}

.statistics li {
    display: inline-block;
    margin:10px;
}

.statistics li a,.statistics li b,.right-nav li a {
display: block;
font-size: 16px;
font-weight: normal;
text-decoration:none;
}

.line{
  height:2px;
  width:100%;
  background-color:#d9d9d9;
}

.right-nav li{
  display:inline-block;
  margin:0px 10px -2px 0px;
  border-bottom:2px solid black;
}
.right-nav li a{
  color:black;
  font-weight:$YaHei;
  font-size:20px;
}

.right-artical li{
  list-style:none;
  padding:20px 0;
  border-bottom:1px solid #e1e1e1;
}

.right-artical a{
 text-decoration:none;
 cursor:pointer;
}


.title{
display: block;
margin-bottom: 6px;
font-size: 30px;
font-weight: bold;
line-height: 40px;
color:black;
}
.artical-info a{
  margin:0 10px 0 0;
}